Billboard Music Awards 2017: Best of beauty

The 2017 Billboard Music Awards took place in sunny Las Vegas, Nevada, on Sunday afternoon. The award show honored some of the most popular names in the music biz -- DJ Khaled, Hailee Steinfeld and Lea Michele were just some of the night's famous attendees.

Not surprisingly, the magenta carpet was filled with red hot looks to go with Vegas' nearly 100-degree heat. How they stayed both gorgeous and composed in the sweltering desert, we'll never know. Not a stray hair or shiny T-zone in sight, our favorite stars showed us how it's done.

LAS VEGAS, NV - MAY 21: Madison Beer attends the 2017 Billboard Music Awards at T-Mobile Arena on May 21, 2017 in Las Vegas, Nevada. (Photo by John Shearer/Getty Images)

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Presenter Kate Beckinsale was easily the beauty front-runner of the night. The stunning actress walked in a messy ponytail, as well as light lips and dramatic eyes to perfectly complement her sequined gown. Other favorites included Baywatch's Alexandra Daddario and Oliva Munn -- theyboth looked radiant.

Photo: Getty

Another memorable moment was the legendary Celine Dion performance of "My Heart Will Go On" in honor of the 20th anniversary of "Titanic". Everyone was talking about her incredible performance and memorable outfit, even though she skipped the red carpet.

Vanessa Hudgens was one of the best-dressed of the night in a nude floor-length number with large bows. So gorgeous!

Is it hot in here?! Lea Michele heated things up -- and showed off her svelte physique -- in this ultra-sexy black dress. She (rightfully) let the outfit do all the talking, sweeping her hair up in a neat bun.

The sharks have arrived! At first glance, Daymond John's outfit is nothing exciting -- until you notice the baby blue tie and gingham shirt. Ditch the leather jacket, Daymond, we want to see the whole look!

Quite a look! ibley Scoles bared her cleavage and a whole lot of leg in this unexpected gray number.

No fault in this star! Ansel Elgort stuck to black-on-black, finishing off the look with a sleek leather jacket.

Go big or go home! Brandi Cyrus stood out from the crowd in a cerulean suit dotted with stars, which she left unbuttoned over a metallic bra top.

Does he get style inspo from Robin Thicke? Tyler Hubbard of Florida Georgia Line's black and white suit turned heads on the pink carpet -- and while it's a risky look, he seemed pretty confident!

Dang! Jeannie Mai was pink-carpet perfection in a sultry black maxi that showed off a whole lot of leg. (And may we say, those are some toned thighs!)

Major ballerina vibes from Madison Beer's navy dress, which flared out to the knee with layers of tulle. Her pointed-toe heels made her look like a total prima ballerina!

We're getting dizzy -- in a good way! Rachel Platten went all-in on a bold patterned one-sleeved number, toning down the drama with a messy pony.

Here she is...! Miss America 2017 Savvy Shields wasn't wearing her crown, but this sultry red gown was more than enough to prove her title.